ACID (atomicity, consistency, isolation, and durability) ACID (atomicity, consistency, isolation, and durability) is an acronym and mnemonicdevice for learning and remembering the four primary attributes ensured to any transaction by a transaction manager (which is also called a transaction monitor). These attributes are: Atomicity. In a transaction involving two or more discrete pieces of information, either all of the pieces are committed or none are. Consistency. A transaction either c...

Database Management System (DBMS) A database management system (DBMS) is system software for creating and managing databases. The DBMS provides users and programmers with a systematic way to create, retrieve, update and manage data. A DBMS makes it possible for end users to create, read, update and delete data in a database. The DBMS essentially serves as an interface between the database and end users or application programs, ensuring that data is consistently organized and remains easily a...

Oracle is one of the largest vendors in the enterprise IT market and the shorthand name of its flagship product, a relational database management system (RDBMS) that's formally called Oracle Database. The database software sits at the center of many corporate IT environments, supporting a mix of transaction processing, business intelligence and analytics applications. In 1979, Oracle Corp. was the first company to commercialize an RDBMS platform, and it's still the leading database vendor by ...

Microsoft Azure Cosmos DB Definition Azure Cosmos DB is a Microsoft cloud database that supports multiple ways of storing and processing data. As such, it is classified as a multimodel database.   In multimodel databases, various database engines are natively supported and accessible via common APIs. They are not restricted to a single data model as is the case with, for example, dedicated graph, key-value or document stores. Azure Cosmos DB vs. DocumentDB Azure Cosmos DB aro...